M7

Engine oils and lubricating oils and greases

[ Electronic devices for throttle control in engines; Throttle valves; Electronic devices or units for control of engines; Electronic devices for starting engines; Electronic devices for stopping engines; Engine speed governors; Fuel/air ratio controls (parts of engines or motors); Speed controllers for machines, engines and motors; Machines for boosting fluids; Mufflers (parts of exhaust systems); Air filters for automobile engines; and Spark plugs for vehicle engines ]